Refs #2428 added elgg_get_config(), elgg_set_config(), and elgg_save_config()

git-svn-id: http://code.elgg.org/elgg/trunk@7470 36083f99-b078-4883-b0ff-0f9b5a30f544

4 files changed, 100 insertions, 13 deletions

diff --git a/engine/lib/configuration.php b/engine/lib/configuration.php
index b222b6b4f..bf5122653 100644
--- a/engine/lib/configuration.php
+++ b/engine/lib/configuration.php
@@ -18,6 +18,92 @@
  */
 
 /**
+ * Get an Elgg configuration value
+ *
+ * @param string $name      Name of the configuration value
+ * @param int    $site_guid NULL for installation setting, 0 for default site
+ *
+ * @return mixed Configuration value or false if it does not exist
+ * @since 1.8.0
+ */
+function elgg_get_config($name, $site_guid = 0) {
+	global $CONFIG;
+
+	$name = trim($name);
+
+	if (isset($CONFIG->$name)) {
+		return $CONFIG->$name;
+	}
+
+	if ($site_guid === NULL) {
+		// installation wide setting
+		$value = datalist_get($name);
+	} else {
+		// site specific setting
+		if ($site_guid == 0) {
+			$site_guid = (int) $CONFIG->site_id;
+		}
+		$value = get_config($name, $site_guid);
+	}
+
+	if ($value !== false) {
+		$CONFIG->$name = $value;
+		return $value;
+	}
+	
+	return false;
+}
+
+/**
+ * Set an Elgg configuration value
+ *
+ * @warning This does not persist the configuration setting. Use elgg_save_config()
+ *
+ * @param string $name  Name of the configuration value
+ * @param mixed  $value Value
+ *
+ * @return void
+ * @since 1.8.0
+ */
+function elgg_set_config($name, $value) {
+	global $CONFIG;
+
+	$name = trim($name);
+
+	$CONFIG->$name = $value;
+}
+
+/**
+ * Save a configuration setting
+ *
+ * @param string $name      Configuration name
+ * @param mixed  $value     Configuration value. Should be string for installation setting
+ * @param int    $site_guid NULL for installation setting, 0 for default site
+ *
+ * @return bool
+ * @since 1.8.0
+ */
+function elgg_save_config($name, $value, $site_guid = 0) {
+	global $CONFIG;
+
+	$name = trim($name);
+
+	elgg_set_config($name, $value);
+
+	if ($site_guid === NULL) {
+		if (is_array($value) || is_object($value)) {
+			return false;
+		}
+		return datalist_set($name, $value);
+	} else {
+		if ($site_guid == 0) {
+			$site_guid = (int) $CONFIG->site_id;
+		}
+		return set_config($name, $value, $site_guid);
+	}
+}
+
+/**
  * Check that installation has completed and the database is populated.
  *
  * @throws InstallationException
diff --git a/views/default/page_shells/admin.php b/views/default/page_shells/admin.php
index cc65b6fda..9fdbf2e28 100644
--- a/views/default/page_shells/admin.php
+++ b/views/default/page_shells/admin.php
@@ -5,22 +5,22 @@
  * @package Elgg

  * @subpackage Core

  *

- * @uses $vars['config'] The site configuration settings, imported

  * @uses $vars['title'] The page title

  * @uses $vars['body'] The main content of the page

- * @uses $vars['messages'] A 2d array of various message registers, passed from system_messages()

+ * @uses $vars['sysmessages'] A 2d array of various message registers, passed from system_messages()

  */

 

 // Set the content type

 header("Content-type: text/html; charset=UTF-8");

 

 // Set title

+$site_title = elgg_get_config('sitename');

 if (empty($vars['title'])) {

-	$title = $vars['config']->sitename;

-} else if (empty($vars['config']->sitename)) {

+	$title = $site_title;

+} else if (empty($site_title)) {

 	$title = $vars['title'];

 } else {

-	$title = $vars['config']->sitename . ": " . $vars['title'];

+	$title = $site_title . ": " . $vars['title'];

 }

 

 echo elgg_view('page_elements/html_begin', $vars);

diff --git a/views/default/page_shells/default.php b/views/default/page_shells/default.php
index 30196a139..0fd407a3d 100644
--- a/views/default/page_shells/default.php
+++ b/views/default/page_shells/default.php
@@ -6,22 +6,22 @@
  * @package Elgg
  * @subpackage Core
  *
- * @uses $vars['config'] The site configuration settings, imported
  * @uses $vars['title'] The page title
  * @uses $vars['body'] The main content of the page
- * @uses $vars['messages'] A 2d array of various message registers, passed from system_messages()
+ * @uses $vars['sysmessages'] A 2d array of various message registers, passed from system_messages()
  */
 
 // Set the content type
 header("Content-type: text/html; charset=UTF-8");
 
 // Set title
+$site_title = elgg_get_config('sitename');
 if (empty($vars['title'])) {
-	$title = $vars['config']->sitename;
-} else if (empty($vars['config']->sitename)) {
+	$title = $site_title;
+} else if (empty($site_title)) {
 	$title = $vars['title'];
 } else {
-	$title = $vars['config']->sitename . ": " . $vars['title'];
+	$title = $site_title . ": " . $vars['title'];
 }
 
 echo elgg_view('page_elements/html_begin', $vars);
diff --git a/views/default/page_shells/walled_garden.php b/views/default/page_shells/walled_garden.php
index 0da1aeb67..cdd3982ec 100644
--- a/views/default/page_shells/walled_garden.php
+++ b/views/default/page_shells/walled_garden.php
@@ -7,12 +7,13 @@
 header("Content-type: text/html; charset=UTF-8");
 
 // Set title
+$site_title = elgg_get_config('sitename');
 if (empty($vars['title'])) {
-	$title = $vars['config']->sitename;
-} elseif (empty($vars['config']->sitename)) {
+	$title = $site_title;
+} else if (empty($site_title)) {
 	$title = $vars['title'];
 } else {
-	$title = $vars['config']->sitename . ": " . $vars['title'];
+	$title = $site_title . ": " . $vars['title'];
 }
 
 echo elgg_view('page_elements/html_begin', $vars);